US12560166B2 - Pump assembly with the pump disposed within the plurality of teeth of the motor stator - Google Patents

Pump assembly with the pump disposed within the plurality of teeth of the motor stator

Info

Publication number
US12560166B2
US12560166B2 US18/728,091 US202318728091A US12560166B2 US 12560166 B2 US12560166 B2 US 12560166B2 US 202318728091 A US202318728091 A US 202318728091A US 12560166 B2 US12560166 B2 US 12560166B2
Authority
US
United States
Prior art keywords
pump
motor
rotor
cover
stator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US18/728,091
Other languages
English (en)
Other versions
US20250101981A1 (en
Inventor
Shoichi Takada
Kentaro Yoshida
Tatsuya Saito
Tomoyuki Ueno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Sintered Alloy Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Sintered Alloy Ltd
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Sintered Alloy Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Sintered Alloy Ltd
Publication of US20250101981A1 publication Critical patent/US20250101981A1/en
Application granted granted Critical
Publication of US12560166B2 publication Critical patent/US12560166B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008—Enclosed motor pump units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008—Prime movers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/805—Fastening means, e.g. bolts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
US18/728,091 2022-12-19 2023-08-17 Pump assembly with the pump disposed within the plurality of teeth of the motor stator Active US12560166B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022202207 2022-12-19
JP2022-202207 2022-12-19
PCT/JP2023/029751 WO2024134974A1 (ja) 2022-12-19 2023-08-17 ポンプアセンブリ

Publications (2)

Publication Number Publication Date
US20250101981A1 US20250101981A1 (en) 2025-03-27
US12560166B2 true US12560166B2 (en) 2026-02-24

Family

ID=91588076

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/728,091 Active US12560166B2 (en) 2022-12-19 2023-08-17 Pump assembly with the pump disposed within the plurality of teeth of the motor stator

Country Status (6)

Country Link
US (1) US12560166B2 (https=)
JP (1) JP7779938B2 (https=)
KR (1) KR20250121236A (https=)
CN (1) CN118541546A (https=)
DE (1) DE112023005247T5 (https=)
WO (1) WO2024134974A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7653287B2 (ja) * 2021-03-31 2025-03-28 ミネベアミツミ株式会社 モータ

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914157A (ja) 1995-06-26 1997-01-14 Jidosha Kiki Co Ltd オイルポンプ
US5952746A (en) * 1997-05-22 1999-09-14 Still Gmbh Electrical machine and method for mounting such electrical machine on a unit
US20050265860A1 (en) * 2004-05-26 2005-12-01 Hirotaka Kameya Motor-mounted internal gear pump and electronic device
JP2012120249A (ja) 2010-11-29 2012-06-21 Fujitsu General Ltd ポンプ装置
US20120164009A1 (en) * 2009-09-11 2012-06-28 Jtekt Corporation Electric pump unit
JP2014173443A (ja) 2013-03-06 2014-09-22 Asmo Co Ltd 電動ポンプ
JP2020182269A (ja) 2019-04-23 2020-11-05 株式会社デンソー アキシャルギャップ型のロータ及び電動ポンプ
US11035360B2 (en) * 2018-02-14 2021-06-15 Stackpole International Engineered Products, Ltd. Gerotor with spindle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914157A (ja) 1995-06-26 1997-01-14 Jidosha Kiki Co Ltd オイルポンプ
US5952746A (en) * 1997-05-22 1999-09-14 Still Gmbh Electrical machine and method for mounting such electrical machine on a unit
US20050265860A1 (en) * 2004-05-26 2005-12-01 Hirotaka Kameya Motor-mounted internal gear pump and electronic device
US20120164009A1 (en) * 2009-09-11 2012-06-28 Jtekt Corporation Electric pump unit
JP2012120249A (ja) 2010-11-29 2012-06-21 Fujitsu General Ltd ポンプ装置
JP2014173443A (ja) 2013-03-06 2014-09-22 Asmo Co Ltd 電動ポンプ
US11035360B2 (en) * 2018-02-14 2021-06-15 Stackpole International Engineered Products, Ltd. Gerotor with spindle
JP2020182269A (ja) 2019-04-23 2020-11-05 株式会社デンソー アキシャルギャップ型のロータ及び電動ポンプ

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
International Search Report and Written Opinion mailed on Nov. 7, 2023, received for PCT Application PCT/JP2023/029751, filed on Aug. 17, 2023, 9 pages including English Translation.
International Search Report and Written Opinion mailed on Nov. 7, 2023, received for PCT Application PCT/JP2023/029751, filed on Aug. 17, 2023, 9 pages including English Translation.

Also Published As

Publication number Publication date
JPWO2024134974A1 (https=) 2024-06-27
CN118541546A (zh) 2024-08-23
JP7779938B2 (ja) 2025-12-03
WO2024134974A1 (ja) 2024-06-27
US20250101981A1 (en) 2025-03-27
KR20250121236A (ko) 2025-08-12
DE112023005247T5 (de) 2025-10-23

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Owner name: SUMITOMO ELECTRIC INDUSTRIES, LTD., JAPAN

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Owner name: SUMITOMO ELECTRIC SINTERED ALLOY, LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAKADA, SHOICHI;YOSHIDA, KENTARO;SAITO, TATSUYA;AND OTHERS;SIGNING DATES FROM 20240403 TO 20240509;REEL/FRAME:067956/0683

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